Question

what is the answer of

Q.2What do you mean by valence electron ?​

Answer 1

We can define valence electons as the electrons which are found in the last shell of the particular element. It also means that the electrons which let us know the valency of that particular element

Answer 2

Explanation:

In chemistry and physics, a valence electron is an outer shell electron that is associated with an atom, and that can participate in the formation of a chemical bond if the outer shell is not closed; in a single covalent bond, both atoms in the bond contribute one valence electron in order to form a shared pair.